From 4bb739c30f22be39ece9813312ca7219619a9347 Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Fri, 8 May 2015 05:56:53 +0100
Subject: Search completion; do not refetch on duplicate queries.

---
 pages/vomnibar.coffee | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pages/vomnibar.coffee b/pages/vomnibar.coffee
index ff585a5e..ae61ca9d 100644
--- a/pages/vomnibar.coffee
+++ b/pages/vomnibar.coffee
@@ -240,8 +240,12 @@ class BackgroundCompleter
       @mostRecentCallback results
 
   filter: (query, @mostRecentCallback) ->
-    @messageId = Utils.createUniqueId()
-    @port.postMessage name: @name, handler: "filter", id: @messageId, query: query
+    # Ignore identical consecutive queries.  This can happen, for example, if the user adds a <SPACE> to the
+    # query.
+    unless @mostRecentQuery? and query == @mostRecentQuery
+      @mostRecentQuery = query
+      @messageId = Utils.createUniqueId()
+      @port.postMessage name: @name, handler: "filter", id: @messageId, query: query
 
   refresh: ->
     @port.postMessage name: @name, handler: "refresh"
-- 
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